WordPress
Interview Questions
Core Technical
8 questionsLook for understanding of underlying patterns, not just surface-level API knowledge.
Tests whether they stay current with the ecosystem.
Expect specifics: profiling tools, caching strategies, lazy loading, query optimization.
Strong candidates mention structured logging, monitoring, and error boundaries.
Look for unit tests, integration tests, and end-to-end testing knowledge.
Evaluate understanding of state management patterns and trade-offs.
Should mention build, test, lint, and deployment stages.
Input validation, authentication, authorization, OWASP top 10.
Module & Feature Knowledge
6 questionsAssess depth of hands-on experience with Custom Theme Development.
Assess depth of hands-on experience with Plugin Development.
Assess depth of hands-on experience with WooCommerce.
Assess depth of hands-on experience with Gutenberg Blocks.
Assess depth of hands-on experience with Headless WordPress.
Tests decision-making ability and understanding of trade-offs.
Architecture & System Design
5 questionsLook for load balancing, caching, database sharding, and horizontal scaling.
Strangler fig pattern, incremental migration, feature flags, parallel running.
Repository, Observer, Factory, Strategy — look for appropriate usage.
Should discuss versioning, documentation, rate limiting, and response format.
Normalization, indexing, relationships, migrations, and performance.
Problem Solving & Debugging
4 questionsTests debugging methodology and persistence.
APM tools, query profiling, memory analysis, log analysis.
Testing first, incremental changes, code review, documentation.
Incident response: assess severity, patch, communicate, post-mortem.
Behavioral & Culture Fit
5 questionsLook for constructive communication and data-driven arguments.
Blogs, conferences, open-source contributions, certifications.
Agile mindset, flexibility, stakeholder communication.
Best practices, constructive feedback, mentoring mindset.
Communication tools, timezone management, documentation habits.
Tools & Integrations
5 questionsPractical integration experience with Advanced Custom Fields.
Practical integration experience with WPGraphQL.
Practical integration experience with Elementor.
Practical integration experience with Yoast SEO.
Maintenance, community, license, performance benchmarks.
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